Home / 47,140.67-70,730.58-19,080.56

Finding the Fourth Proportional to 47,140.67, 70,730.58 and 19,080.56

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Solution

The fourth proportional to 47,140.67, 70,730.58 and 19,080.56 is: 28,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.67 : 70,730.58 = 19,080.56 : x
  2. Step 2: Convert to fraction form
    47,140.67/70,730.58 = 19,080.56/x
  3. Step 3: Cross multiply
    47,140.67x = 70,730.58 × 19,080.56
  4. Step 4: Simplify right side
    47,140.67x = 1,349,578,721.87
  5. Step 5: Solve for x
    x = 1,349,578,721.87/47,140.67
  6. Step 6: Final answer
    x = 28,628.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.